ChangeTimeExtent.xaml

<UserControl
    x:Class="ArcGISRuntime.WPF.Samples.ChangeTimeExtent.ChangeTimeExtent"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013">
    <Grid>
        <esri:MapView x:Name="MyMapView" />
        <Border Style="{StaticResource BorderStyle}">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition />
                    <RowDefinition />
                </Grid.RowDefinitions>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <Label Content="Tap a year to filter the data."
                       Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2"
                       HorizontalAlignment="Center"
                       FontWeight="SemiBold" />
                <Button Content="2000"
                        Grid.Row="1" Grid.Column="0"
                        Margin="0,5,5,0"
                        Click="twoThousand_Click" />
                <Button Content="2005"
                        Grid.Row="1" Grid.Column="1"
                        Margin="5,5,0,0"
                        Click="twoThousandFive_Click" />
            </Grid>
        </Border>
    </Grid>
</UserControl>